nobody needs to explain that to erin. it is extremely terrifying to have somebody come in your window. >> reporter: in that moment she says a gun was exactly what she needed. stephanie gosk, nbc news, magnolia, texas>>> when we come back here tonight a debut you won't want to miss. nexi um, the purple pill, um, helps provide many with day and night relief of heartburn symptoms caused by acid reflux disease. there is risk of bone fracture, and low magnesium levels. side effects may include headache, abdominal pain, and diarrhea. call your doctor right away if you have persistent diarrhea. other serious stomach conditions may exist. don't take nexium if you take clopidogrel. ask your doctor if nexium is right for you. find out how you may be able to get nexium for just $18 a month at purplepill.com but i'm still stubbed up. [ male announcer ] truth is, nyquil doesn't unstuff your nose. what? [ male announcer ] alka-seltzer plus liquid gels speeds relief to your worst cold symptoms plus has a decongestant for your stuffy nos